From: Jesper Juhl <j...@chaosbits.net> Date: Sun, 22 Jul 2012 23:37:20 +0200 (CEST)
> In net/compat.c::put_cmsg_compat() we may assign 'data' the address of > either the 'ctv' or 'cts' local variables inside the 'if > (!COMPAT_USE_64BIT_TIME)' branch. > > Those variables go out of scope at the end of the 'if' statement, so > when we use 'data' further down in 'copy_to_user(CMSG_COMPAT_DATA(cm), > data, cmlen - sizeof(struct compat_cmsghdr))' there's no telling what > it may be refering to - not good. > > Fix the problem by simply giving 'ctv' and 'cts' function scope. > > Signed-off-by: Jesper Juhl <j...@chaosbits.net> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
